--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Applications/Qt/QCairoWidget.h	Mon Aug 27 12:21:52 2018 +0200
@@ -0,0 +1,92 @@
+#pragma once
+
+#include "../../Framework/Widgets/CairoWidget.h"
+#include "../../Applications/Generic/BasicNativeApplicationContext.h"
+#include "../../Framework/Viewport/CairoSurface.h"
+
+#include <QWidget>
+#include <QGestureEvent>
+#include <memory>
+#include <cassert>
+
+class QCairoWidget : public QWidget
+{
+  Q_OBJECT
+
+private:
+  std::auto_ptr<QImage>         image_;
+  OrthancStone::CairoSurface   surface_;
+  OrthancStone::BasicNativeApplicationContext* context_;
+  bool                          isMouseOver_;
+  int                           mouseOverX_;
+  int                           mouseOverY_;
+  bool                          updateNeeded_;
+
+  std::auto_ptr<OrthancStone::IMouseTracker>  mouseTracker_;
+
+//  void UpdateMouseCoordinates(int x,
+//                              int y);
+
+protected:
+  void paintEvent(QPaintEvent *event);
+
+  void resizeEvent(QResizeEvent *event);
+
+//  void mouseMoveEvent(QMouseEvent *event);
+
+//  void mousePressEvent(QMouseEvent *event);
+
+//  void mouseReleaseEvent(QMouseEvent *event);
+
+//  void wheelEvent(QWheelEvent *event);
+
+public:
+  explicit QCairoWidget(QWidget *parent);
+ 
+  virtual ~QCairoWidget();
+
+  void SetContext(OrthancStone::BasicNativeApplicationContext& context)
+  {
+    context_ = &context;
+  }
+
+//  void SetCentralWidget(OrthancStone::CairoWidget& widget)
+//  {
+//    centralWidget_ = &widget;
+//  }
+
+//  void SetScene(OrthancStone::ICairoScene& scene);
+
+//  bool HasScene() const
+//  {
+//    return scene_ != NULL;
+//  }
+
+//  OrthancStone::ICairoScene& GetScene() const
+//  {
+//    assert(HasScene());
+//    return *scene_;
+//  }
+
+//  virtual void SignalUpdatedScene(OrthancStone::ICairoScene& scene)
+//  {
+//    //printf("UPDATE NEEDED\n"); fflush(stdout);
+//    updateNeeded_ = true;
+//  }
+
+signals:
+//  void SliceChanged(int position);
+  
+//  void RangeChanged(unsigned int countSlices);
+  
+//  void PositionChanged(const QString& position);
+
+//  void ContentChanged();
+                                               
+public slots:
+//  void SetDefaultView();
+
+//  void Refresh();
+
+//  void SetSlice(int index);
+};